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Arithmetic Aptitude :: Trigonometry

Trigonometry - Section-1
  1.  Cos²2θ =

    2. A.

    1 - sinθ
    B.

    1 - sin²2θ
    C.

    1 + sin²θ
    D.

    1 - sin²θ

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  2.  Csc²θ/2-cot²θ/2 =

    3. A.

    0
    B.

    -1
    C.

    1
    D.

    sec²2θ

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  3.  Sec²θ-tan²θ =

    4. A.

    0
    B.

    -1
    C.

    1
    D.

    sec²2θ

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  4.  1 + cot²2θ =

    5. A.

    sec²θ
    B.

    csc²θ
    C.

    csc²2θ
    D.

    sec²2θ

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  5.  Csc 520° is equal to:

    6. A.

    csc 20°
    B.

    cos 20°
    C.

    sin 20°
    D.

    tan 45°

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  6.  Solve for the θ in the following equation: Sin 2θ = cos θ

    7. A.

    15°
    B.

    30°
    C.

    45°
    D.

    60°

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  7.  If sin 3A = cos 6B, the

    8. A.

    A + B = 0°
    B.

    A + 2B = 30°
    C.

    A + B = 180°
    D.

    None of these

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  8.  Solve for x, if tan 3x = 5 tan x

    9. A.

    15.705°
    B.

    20.705°
    C.

    30.705°
    D.

    35.705°

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  9.  If sin x cos x + sin 2x = 1, what are the values of x?

    10. A.

    20.90°, 69.1°
    B.

    -20.67°, 69.3°
    C.

    32.2°, 69.3°
    D.

    -32.2°, 69.3°

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  10.  Solve for G if csc (11G – 16 degrees) = sec (5G + 26 degrees)

    11. A.

    4 degrees
    B.

    5 degrees
    C.

    6 degrees
    D.

    7 degrees

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